8401770828 has 72 divisors (see below), whose sum is σ = 23548399056. Its totient is φ = 2504246400.

The previous prime is 8401770827. The next prime is 8401770859. The reversal of 8401770828 is 8280771048.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8401770827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149751 + ... + 198062.

It is an arithmetic number, because the mean of its divisors is an integer number (327061098).

Almost surely, 2^8401770828 is an apocalyptic number.

It is an amenable number.

8401770828 is an abundant number, since it is smaller than the sum of its proper divisors (15146628228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8401770828 is a wasteful number, since it uses less digits than its factorization.

8401770828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347895 (or 347890 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 8401770828 is about 91661.1740487760. The cubic root of 8401770828 is about 2032.9355498729.

The spelling of 8401770828 in words is "eight billion, four hundred one million, seven hundred seventy thousand, eight hundred twenty-eight".